MESON Chess Problem Database
Problem Display
PID: 60142 (3B4/Q2P1Nq1/6p1/K1n5/3kPR2/1P6/2pP1p2/2N1n3 w - - 0 1)
Giese, Ernst
2nd Highly Comm., Brisbane Courier, 1928
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Bxf6#
- 1...Qh6
- 2.Bf6#
- 1...Qf8
- 2.Bf6#
- 1...Qh7
- 2.Bf6#
- 1...Qg8
- 2.Bf6#
- 1...Sd3
- 2.Se2#
- 1...Qf6
- Tries
- 1.Kb4?
- threat
- 2.Qxc5#
- 2.Qa1#
- 1...Qe5
- 2.Qa1#
- 1...Qf8
- 2.Bf6#
- 2.Qa1#
- 1...Sd3+!
- threat
- 1.Bh4?
- threat
- 2.Bxf2#
- 2.d8Q#
- 2.d8R#
- 1...f1Q
- 2.d8Q#
- 2.d8R#
- 1...f1S
- 2.d8Q#
- 2.d8R#
- 1...f1B
- 2.Bf2#
- 2.d8Q#
- 2.d8R#
- 1...f1R
- 2.d8Q#
- 2.d8R#
- 1...Qe5
- 2.Bxf2#
- 1...Qf6
- 2.Bxf2#
- 2.Bxf6#
- 1...Qh6
- 2.Bxf2#
- 2.Bf6#
- 2.d8Q#
- 2.d8R#
- 1...Qf8
- 2.Bxf2#
- 2.Bf6#
- 1...Qh8
- 2.Bxf2#
- 1...Qh7
- 2.Bxf2#
- 2.Bf6#
- 2.d8Q#
- 2.d8R#
- 1...Qg8
- 2.Bxf2#
- 2.Bf6#
- 1...Sg2
- 2.d8Q#
- 2.d8R#
- 1...Sd3
- 2.Se2#
- 2.d8Q#
- 2.d8R#
- 1...Sf3
- 2.Bxf2#
- 2.d8Q#
- 2.d8R#
- 1...g5
- 2.Bxf2#
- 2.d8Q#
- 2.d8R#
- 1...Qxf7!
- threat
- 1.Be7?
- threat
- 2.Bxc5#
- 2.Qxc5#
- 2.d8Q#
- 2.d8R#
- 1...Qxf7
- 2.Qxc5#
- 1...f1Q
- 2.Bxc5#
- 2.Qxc5#
- 2.d8Q#
- 2.d8R#
- 1...f1S
- 2.Bxc5#
- 2.Qxc5#
- 2.d8Q#
- 2.d8R#
- 1...f1B
- 2.Bxc5#
- 2.Qxc5#
- 2.d8Q#
- 2.d8R#
- 1...f1R
- 2.Bxc5#
- 2.Qxc5#
- 2.d8Q#
- 2.d8R#
- 1...Qf6
- 2.Bxc5#
- 2.Bxf6#
- 2.Qxc5#
- 1...Qh6
- 2.Bxc5#
- 2.Bf6#
- 2.Qxc5#
- 2.d8Q#
- 2.d8R#
- 1...Qf8
- 2.Bf6#
- 2.Qxc5#
- 1...Qh8
- 2.Bxc5#
- 2.Qxc5#
- 1...Qh7
- 2.Bxc5#
- 2.Bf6#
- 2.Qxc5#
- 2.d8Q#
- 2.d8R#
- 1...Qg8
- 2.Bxc5#
- 2.Bf6#
- 2.Qxc5#
- 1...Sg2
- 2.Bxc5#
- 2.Qxc5#
- 2.d8Q#
- 2.d8R#
- 1...Sf3
- 2.Bxc5#
- 2.Qxc5#
- 2.d8Q#
- 2.d8R#
- 1...g5
- 2.Bxc5#
- 2.Qxc5#
- 2.d8Q#
- 2.d8R#
- 1...Qe5!
- threat
- 1.Qb6?
- threat
- 2.Qb4#
- 2.Qd6#
- 1...f1Q
- 2.Qd6#
- 1...f1B
- 2.Qd6#
- 1...Qe5
- 2.Qb4#
- 1...Qf6
- 2.Bxf6#
- 2.Qb4#
- 2.Qxf6#
- 1...Qf8
- 2.Bf6#
- 2.Qb4#
- 2.Qf6#
- 1...Sd3
- 2.Se2#
- 2.Qd6#
- 1...Qxf7!
- threat
- 1.Kb4?
- Keys
- 1.Kb6!
- threat
- 2.Qa1#
- 1...Qf6+
- 2.Bxf6#
- 1...Sa4+
- 2.Qxa4#
- 1...Sxd7+
- 2.Qxd7#
- 1...Sxb3
- 2.Qa4#
- 1...Sxe4
- 2.Kc6#
- 1...Sed3
- 2.Se2#
- 1...Scd3
- 2.Se2#
- 1...Sa6
- 2.Kxa6#
- threat
- 1.Kb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 4
- Sets
- Q(g);N_GUARD::B(J),XQ(g)
- Q(g);N_GUARD::B(J)
- S(a);SBLOCK::S(A)
- Tries
- Try
- K(F);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(g);::QAB(G)
- Refutation
- S(a);CHECK
- Try
- B(J);
- Threat
- DUALS(3)
- Vars
- P(c);::P=Q
- Q(g);::B(J),XP(c)
- S(a);::P=Q
- Refutation
- Q(g);XS(I)
- Try
- B(J);
- Threat
- DUALS(4)
- Vars
- Q(g);XS(I)::QAB1(G),XS(e)
- Refutation
- Q(g);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- P(c);::QAR2(G)
- Q(g);::QAR2(G)
- Refutation
- Q(g);XS(I)
- Try
- Actual
- K(F);N_PINS(e),S_FLIGHT
- Threat
- QAB(G)
- Vars
- Q(g);CHECK,N_GUARD::B(J),XQ(g)
- S(e);CHECK,N_GUARD::QAR(G),XS(e)
- S(e);CHECK,OGATE,XP(H)::QAR(G),XS(e)
- S(e);N_GUARD,XP(C)::QAR(G)
- S(e);P_SPINS(e),XP(D)::QAB(G)+K(F)
- S(a);SBLOCK::S(A)
- S(e);SBLOCK::S(A)
- S(e);::QAB(G)+K(F),XS(e)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).